Alternate Costumes When you are selecting a character, HOLD the start button before you select your character with button A. (Thanks to ZERO2685@aol.com)

Arcade Backgrounds In training, normal or team battle mode you can change the backgrounds to the orginal arcade versions by letting the time runout in the stage select screen. (Thanks to ZERO2685@aol.com)

Change Backgrounds When seclecting a stage, hold START and press A.
In Team Battle Mode, when selecting a stage, hold down START button until time runs out. If you have used the above code, you will need to restart (START+A+B+X+Y), before this code will work. (Thanks to ZERO2685@aol.com)

Play Against Alphabet Character To play against the alphabet character in normal mode at the character select screen highlight Akira and press start. Then highlight Lau and press start,finally highlight Pai and hold start and press X. All of your opponents will be replaced by the Alphabet character. (Thanks to ZERO2685@aol.com)

Play As Alphabet Character Select Normal mode. Highlight Akira and press Start. Highlight Lion and press Start. Highlight Pai and press Start. Now pick any character and they will be their Alphabet Man version. (Thanks to ZERO2685@aol.com)

Play As Gold Dural Press Start + Y + A at the character selection screen. This this only works in Training mode. (Thanks to ZERO2685@aol.com)

Play As Silver Dural Press Start + X + A at the character selection screen. (Thanks to ZERO2685@aol.com)

Slow Motion Replay Press and hold the Dodge button at the "KO" screen to recieve a replay in slow motion. (Thanks to ZERO2685@aol.com)